Home / 775-1,585

Finding the Third Proportional to 775 and 1,585

Calculator

Solution

The third proportional to 775 and 1,585 is: 3,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    775 : 1,585 = 1,585 : x
  2. Step 2: Convert to fraction form
    775/1,585 = 1,585/x
  3. Step 3: Cross multiply
    775x = 1,585 × 1,585
  4. Step 4: Simplify right side
    775x = 2,512,225
  5. Step 5: Solve for x
    x = 2,512,225/775
  6. Step 6: Final answer
    x = 3,241.58

Related Problems

Find third proportional to 387.50 and 792.50
Half scale
Find third proportional to 1,550 and 3,170
Double scale
Find third proportional to 777 and 1,589
Similar ratio
Find third proportional to 1,162.50 and 2,377.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.